#include<bits/stdc++.h>
using namespace std;
#define ll long long
#define D long double
#define lbt(x) ((x)&(-(x)))

signed main(){
	/*freopen("employ.in","r",stdin);
	freopen("employ.out","w",stdout);*/
	ios::sync_with_stdio(0);cin.tie(0);cout.tie(0);
	
	return 0;
}

